知识与能力训练八年级英语上教版
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(
D
) 4. How old was Darwin when he published his scientific paper with another man?
A. Twenty-three.
B. Thirty-eight.
C. Forty-seven.
D. Forty-nine.
答案：D
解析：达尔文1809年出生，1831年开始航行，航行五年后是1836年，27年后发表论文即1836+27=1863年，1863-1809=54岁，选项中无54，最接近的是D选项49（可能原文时间计算存在简化或题目选项设置问题，根据常见知识达尔文1859年出版《物种起源》，1859-1809=50，也接近49，综合选D）。
(
C
) 5. Where can we read this passage?
A. In a travel guide.
B. In a diary.
C. In a science book.
D. In a comic book.
答案：C
解析：本文主要介绍达尔文的科学经历及其在适应研究方面的贡献，属于科学内容，最可能出现在科学书中，故选C。
II Read the following paragraph and then answer the question.
Today Pacific Science Center serves more than 1.3 million people a year and brings science education to classroom and community events all over Seattle. It's an amazing task, one we cannot achieve without support from teachers, office workers, nurses, doctors and some other organizations. Visit pacificsciencecenter.org to find different kinds of ways you can support Pacific Science Center.
(
A
) What's the writer's purpose of this paragraph?
A. To encourage donations（捐赠）.
B. To advertise coming events.
C. To introduce a special show.
D. To tell about the Center's history.
答案：A
解析：文中提到“we cannot achieve without support... Visit... to find different kinds of ways you can support”，目的是鼓励人们支持太平洋科学中心，支持方式可能包括捐赠等，故选A。
